working companion prototype

packages/application/use-cases/CheckAuthenticationUseCase.ts

@@ -0,0 +1,22 @@
+import { AuthenticationState } from '../../domain/value-objects/AuthenticationState';
+import { Result } from '../../shared/result/Result';
+import type { IAuthenticationService } from '../ports/IAuthenticationService';
+
+/**
+ * Use case for checking if the user has a valid iRacing session.
+ * 
+ * This validates the session before automation starts, allowing
+ * the system to prompt for re-authentication if needed.
+ */
+export class CheckAuthenticationUseCase {
+  constructor(private readonly authService: IAuthenticationService) {}
+
+  /**
+   * Execute the authentication check.
+   * 
+   * @returns Result containing the current AuthenticationState
+   */
+  async execute(): Promise<Result<AuthenticationState>> {
+    return this.authService.checkSession();
+  }
+}